Office 365 is a subscription service which grants full use of the Office suite of programs. Each user has the ability to install the applications on up to 5 devices.
To get the Office 365 download you will need to go to the following webpage. Chrome or Microsoft Edge should automatically sign you on when connected to the Domino Network)
If it asks you to login, use your full email address and Windows password.
Open a browser and log in to office.com
On the home page you should have "Install and more" at the top right, select Install Microsoft 365 Apps
On the next webpage, leave everything as it is and click on red button "Install Office"
This will download the Microsoft apps installer which you can use to install all the apps back on the laptop. Ensure that you right click and select Run as Administrator on OfficeSetup.exe to install the Office desktop apps.